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Finding the Fourth Proportional to 692,737.89, 956,638.53 and 654,997.80

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Solution

The fourth proportional to 692,737.89, 956,638.53 and 654,997.80 is: 904,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,737.89 : 956,638.53 = 654,997.80 : x
  2. Step 2: Convert to fraction form
    692,737.89/956,638.53 = 654,997.80/x
  3. Step 3: Cross multiply
    692,737.89x = 956,638.53 × 654,997.80
  4. Step 4: Simplify right side
    692,737.89x = 626,596,132,545.23
  5. Step 5: Solve for x
    x = 626,596,132,545.23/692,737.89
  6. Step 6: Final answer
    x = 904,521.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.